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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_ | 5 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_ |
6 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_ | 6 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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416 SiteInstance* instance); | 416 SiteInstance* instance); |
417 | 417 |
418 private: | 418 private: |
419 friend class NavigatorTestWithBrowserSideNavigation; | 419 friend class NavigatorTestWithBrowserSideNavigation; |
420 friend class RenderFrameHostManagerTest; | 420 friend class RenderFrameHostManagerTest; |
421 friend class TestWebContents; | 421 friend class TestWebContents; |
422 | 422 |
423 FRIEND_TEST_ALL_PREFIXES(CrossProcessFrameTreeBrowserTest, | 423 FRIEND_TEST_ALL_PREFIXES(CrossProcessFrameTreeBrowserTest, |
424 CreateCrossProcessSubframeProxies); | 424 CreateCrossProcessSubframeProxies); |
425 | 425 |
426 // PlzNavigate | |
427 enum RenderFrameHostToUse { | |
428 INVALID, | |
429 REUSE_CURRENT, | |
430 NEW_SPECULATIVE, | |
431 REUSE_SPECULATIVE, | |
432 }; | |
433 | |
434 // Stores information regarding a SiteInstance targeted at a specific URL. It | |
435 // can point to an existing one or store the details needed to create a new | |
436 // one. | |
Charlie Reis
2015/03/31 06:18:19
Sounds good. Can you also mention that the purpos
carlosk
2015/03/31 16:38:19
Done.
| |
437 struct SiteInstanceDescriptor { | |
438 explicit SiteInstanceDescriptor(content::SiteInstance* site_instance) | |
439 : existing_site_instance(site_instance), | |
440 new_is_related_to_current(false) {} | |
441 | |
442 SiteInstanceDescriptor(GURL site_url, | |
443 bool related_to_current, | |
444 BrowserContext* browser_context); | |
445 | |
446 // Set with an existing SiteInstance to be reused. | |
447 content::SiteInstance* existing_site_instance; | |
448 // In case |existing_site_instance| is null, specify a new site URL. | |
Charlie Reis
2015/03/31 06:18:19
nit: Blank lines between these members.
carlosk
2015/03/31 16:38:19
Done.
| |
449 GURL new_site_url; | |
450 // In case |existing_site_instance| is null, specify if the new site should | |
451 // be created in new BrowsingInstance or not. | |
452 bool new_is_related_to_current; | |
453 }; | |
454 | |
426 // Used with FrameTree::ForEach to erase RenderFrameProxyHosts from a | 455 // Used with FrameTree::ForEach to erase RenderFrameProxyHosts from a |
427 // FrameTreeNode's RenderFrameHostManager. | 456 // FrameTreeNode's RenderFrameHostManager. |
428 static bool ClearProxiesInSiteInstance(int32 site_instance_id, | 457 static bool ClearProxiesInSiteInstance(int32 site_instance_id, |
429 FrameTreeNode* node); | 458 FrameTreeNode* node); |
430 // Used with FrameTree::ForEach to reset initialized state of | 459 // Used with FrameTree::ForEach to reset initialized state of |
431 // RenderFrameProxyHosts from a FrameTreeNode's RenderFrameHostManager. | 460 // RenderFrameProxyHosts from a FrameTreeNode's RenderFrameHostManager. |
432 static bool ResetProxiesInSiteInstance(int32 site_instance_id, | 461 static bool ResetProxiesInSiteInstance(int32 site_instance_id, |
433 FrameTreeNode* node); | 462 FrameTreeNode* node); |
434 | 463 |
435 // Returns whether this tab should transition to a new renderer for | 464 // Returns whether this tab should transition to a new renderer for |
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464 // Returns true if it is safe to reuse the current WebUI when navigating from | 493 // Returns true if it is safe to reuse the current WebUI when navigating from |
465 // |current_entry| to |new_url|. | 494 // |current_entry| to |new_url|. |
466 bool ShouldReuseWebUI( | 495 bool ShouldReuseWebUI( |
467 const NavigationEntry* current_entry, | 496 const NavigationEntry* current_entry, |
468 const GURL& new_url) const; | 497 const GURL& new_url) const; |
469 | 498 |
470 // Returns the SiteInstance to use for the navigation. | 499 // Returns the SiteInstance to use for the navigation. |
471 SiteInstance* GetSiteInstanceForNavigation(const GURL& dest_url, | 500 SiteInstance* GetSiteInstanceForNavigation(const GURL& dest_url, |
472 SiteInstance* source_instance, | 501 SiteInstance* source_instance, |
473 SiteInstance* dest_instance, | 502 SiteInstance* dest_instance, |
503 SiteInstance* candidate_instance, | |
474 ui::PageTransition transition, | 504 ui::PageTransition transition, |
475 bool dest_is_restore, | 505 bool dest_is_restore, |
476 bool dest_is_view_source_mode); | 506 bool dest_is_view_source_mode); |
477 | 507 |
478 // Returns an appropriate SiteInstance object for the given |dest_url|, | 508 // Returns a descriptor of the appropriate SiteInstance object for the given |
479 // possibly reusing the current SiteInstance. If --process-per-tab is used, | 509 // |dest_url|, possibly reusing the current, source or destination |
480 // this is only called when ShouldSwapBrowsingInstancesForNavigation returns | 510 // SiteInstance. |
Charlie Reis
2015/03/31 06:18:19
Also mention that the SiteInstance can be obtained
carlosk
2015/03/31 16:38:20
Done.
| |
481 // true. |source_instance| is the SiteInstance of the frame that initiated the | 511 // |
482 // navigation. |current_instance| is the SiteInstance of the frame that is | 512 // |source_instance| is the SiteInstance of the frame that initiated the |
483 // currently navigating. |dest_instance|, is a predetermined SiteInstance | 513 // navigation. |dest_instance| is a predetermined SiteInstance that will be |
Charlie Reis
2015/03/31 06:18:19
Please do not reorder these sentences, so that the
carlosk
2015/03/31 16:38:20
Reordered them as the original file.
It made sen
| |
484 // that'll be used if not null. | 514 // used if not null. Internally, |current_instance| is the SiteInstance of the |
515 // frame that is currently navigating. | |
485 // For example, if you have a parent frame A, which has a child frame B, and | 516 // For example, if you have a parent frame A, which has a child frame B, and |
486 // A is trying to change the src attribute of B, this will cause a navigation | 517 // A is trying to change the src attribute of B, this will cause a navigation |
487 // where the source SiteInstance is A and B is the current SiteInstance. | 518 // where the source SiteInstance is A and B is the current SiteInstance. |
519 // | |
488 // This is a helper function for GetSiteInstanceForNavigation. | 520 // This is a helper function for GetSiteInstanceForNavigation. |
489 SiteInstance* GetSiteInstanceForURL(const GURL& dest_url, | 521 SiteInstanceDescriptor DetermineSiteInstanceForURL( |
490 SiteInstance* source_instance, | 522 const GURL& dest_url, |
491 SiteInstance* current_instance, | 523 SiteInstance* source_instance, |
492 SiteInstance* dest_instance, | 524 SiteInstance* current_instance, |
493 ui::PageTransition transition, | 525 SiteInstance* dest_instance, |
494 bool dest_is_restore, | 526 ui::PageTransition transition, |
495 bool dest_is_view_source_mode, | 527 bool dest_is_restore, |
496 bool force_browsing_instance_swap); | 528 bool dest_is_view_source_mode, |
529 bool force_browsing_instance_swap); | |
530 | |
531 // Converts a SiteInstanceDescriptor to the actual SiteInstance it describes. | |
532 // If a |candidate_instance| is provided (is not nullptr) and it matches the | |
533 // description, it is returned verbatim. | |
Charlie Reis
2015/03/31 06:18:19
s/verbatim/as is/
carlosk
2015/03/31 16:38:19
Done.
| |
534 SiteInstance* ConvertToSiteInstance(const SiteInstanceDescriptor& descriptor, | |
535 SiteInstance* candidate_instance); | |
497 | 536 |
498 // Determines the appropriate url to use as the current url for SiteInstance | 537 // Determines the appropriate url to use as the current url for SiteInstance |
499 // selection. | 538 // selection. |
500 const GURL& GetCurrentURLForSiteInstance( | 539 const GURL& GetCurrentURLForSiteInstance( |
501 SiteInstance* current_instance, | 540 SiteInstance* current_instance, |
502 NavigationEntry* current_entry); | 541 NavigationEntry* current_entry); |
503 | 542 |
504 // Creates a new RenderFrameHostImpl for the |new_instance| and assign it to | 543 // Creates a new RenderFrameHostImpl for the |new_instance| and assign it to |
505 // |pending_render_frame_host_| while respecting the opener route if needed | 544 // |pending_render_frame_host_| while respecting the opener route if needed |
506 // and stores it in pending_render_frame_host_. | 545 // and stores it in pending_render_frame_host_. |
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703 bool should_reuse_web_ui_; | 742 bool should_reuse_web_ui_; |
704 | 743 |
705 base::WeakPtrFactory<RenderFrameHostManager> weak_factory_; | 744 base::WeakPtrFactory<RenderFrameHostManager> weak_factory_; |
706 | 745 |
707 DISALLOW_COPY_AND_ASSIGN(RenderFrameHostManager); | 746 DISALLOW_COPY_AND_ASSIGN(RenderFrameHostManager); |
708 }; | 747 }; |
709 | 748 |
710 } // namespace content | 749 } // namespace content |
711 | 750 |
712 #endif // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_ | 751 #endif // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_ |
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